diff --git a/server-v2/api/studio/etc/studio-api.yaml b/server-v2/api/studio/etc/studio-api.yaml
index e6ea25df..002e4cd9 100644
--- a/server-v2/api/studio/etc/studio-api.yaml
+++ b/server-v2/api/studio/etc/studio-api.yaml
@@ -1,8 +1,11 @@
 Name: studio-api
 Host: 0.0.0.0
 Port: 7002
+MaxBytes: 1073741824
 Debug:
   Enable: false
 Auth:
   AccessSecret: "login_secret"
   AccessExpire: 7200
+File:
+  UploadDir: "./upload/"
\ No newline at end of file
diff --git a/server-v2/api/studio/internal/config/config.go b/server-v2/api/studio/internal/config/config.go
index 22736096..3efe2fcf 100644
--- a/server-v2/api/studio/internal/config/config.go
+++ b/server-v2/api/studio/internal/config/config.go
@@ -11,4 +11,8 @@ type Config struct {
 		AccessSecret string
 		AccessExpire int64
 	}
+
+	File struct {
+		UploadDir string
+	}
 }
diff --git a/server-v2/api/studio/internal/handler/file/filedestroyhandler.go b/server-v2/api/studio/internal/handler/file/filedestroyhandler.go
new file mode 100644
index 00000000..fc84a36a
--- /dev/null
+++ b/server-v2/api/studio/internal/handler/file/filedestroyhandler.go
@@ -0,0 +1,33 @@
+// Code generated by goctl. DO NOT EDIT.
+package file
+
+import (
+	"net/http"
+
+	"github.com/vesoft-inc/go-pkg/validator"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/pkg/ecode"
+
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/logic/file"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/types"
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func FileDestroyHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.FileDestroyRequest
+		if err := httpx.Parse(r, &req); err != nil {
+			err = ecode.WithCode(ecode.ErrParam, err)
+			svcCtx.ResponseHandler.Handle(w, r, nil, err)
+			return
+		}
+		if err := validator.Struct(req); err != nil {
+			svcCtx.ResponseHandler.Handle(w, r, nil, err)
+			return
+		}
+
+		l := file.NewFileDestroyLogic(r.Context(), svcCtx)
+		err := l.FileDestroy(req)
+		svcCtx.ResponseHandler.Handle(w, r, nil, err)
+	}
+}
diff --git a/server-v2/api/studio/internal/handler/file/filesindexhandler.go b/server-v2/api/studio/internal/handler/file/filesindexhandler.go
new file mode 100644
index 00000000..c8ce0aaf
--- /dev/null
+++ b/server-v2/api/studio/internal/handler/file/filesindexhandler.go
@@ -0,0 +1,17 @@
+// Code generated by goctl. DO NOT EDIT.
+package file
+
+import (
+	"net/http"
+
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/logic/file"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+)
+
+func FilesIndexHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		l := file.NewFilesIndexLogic(r.Context(), svcCtx)
+		data, err := l.FilesIndex()
+		svcCtx.ResponseHandler.Handle(w, r, data, err)
+	}
+}
diff --git a/server-v2/api/studio/internal/handler/file/fileuploadhandler.go b/server-v2/api/studio/internal/handler/file/fileuploadhandler.go
new file mode 100644
index 00000000..e379481b
--- /dev/null
+++ b/server-v2/api/studio/internal/handler/file/fileuploadhandler.go
@@ -0,0 +1,17 @@
+// Code generated by goctl. DO NOT EDIT.
+package file
+
+import (
+	"net/http"
+
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/logic/file"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+)
+
+func FileUploadHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		l := file.NewFileUploadLogic(r, svcCtx)
+		err := l.FileUpload()
+		svcCtx.ResponseHandler.Handle(w, r, nil, err)
+	}
+}
diff --git a/server-v2/api/studio/internal/handler/routes.go b/server-v2/api/studio/internal/handler/routes.go
index 2b0cbe8d..f47653c5 100644
--- a/server-v2/api/studio/internal/handler/routes.go
+++ b/server-v2/api/studio/internal/handler/routes.go
@@ -4,6 +4,7 @@ package handler
 import (
 	"net/http"
 
+	file "github.com/vesoft-inc/nebula-studio/server/api/studio/internal/handler/file"
 	gateway "github.com/vesoft-inc/nebula-studio/server/api/studio/internal/handler/gateway"
 	health "github.com/vesoft-inc/nebula-studio/server/api/studio/internal/handler/health"
 	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
@@ -43,4 +44,24 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 		},
 		rest.WithPrefix("/api-nebula/db"),
 	)
+
+	server.AddRoutes(
+		[]rest.Route{
+			{
+				Method:  http.MethodPost,
+				Path:    "/api/file",
+				Handler: file.FileUploadHandler(serverCtx),
+			},
+			{
+				Method:  http.MethodDelete,
+				Path:    "/api/file/:name",
+				Handler: file.FileDestroyHandler(serverCtx),
+			},
+			{
+				Method:  http.MethodGet,
+				Path:    "/api/file",
+				Handler: file.FilesIndexHandler(serverCtx),
+			},
+		},
+	)
 }
diff --git a/server-v2/api/studio/internal/logic/file/filedestroylogic.go b/server-v2/api/studio/internal/logic/file/filedestroylogic.go
new file mode 100644
index 00000000..b70b97f3
--- /dev/null
+++ b/server-v2/api/studio/internal/logic/file/filedestroylogic.go
@@ -0,0 +1,29 @@
+package file
+
+import (
+	"context"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/service"
+
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type FileDestroyLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewFileDestroyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *FileDestroyLogic {
+	return &FileDestroyLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *FileDestroyLogic) FileDestroy(req types.FileDestroyRequest) error {
+	return service.NewFileService(nil, l.ctx, l.svcCtx).FileDestroy(req.Name)
+}
diff --git a/server-v2/api/studio/internal/logic/file/filesindexlogic.go b/server-v2/api/studio/internal/logic/file/filesindexlogic.go
new file mode 100644
index 00000000..21c5d3d5
--- /dev/null
+++ b/server-v2/api/studio/internal/logic/file/filesindexlogic.go
@@ -0,0 +1,29 @@
+package file
+
+import (
+	"context"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/service"
+
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type FilesIndexLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewFilesIndexLogic(ctx context.Context, svcCtx *svc.ServiceContext) *FilesIndexLogic {
+	return &FilesIndexLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *FilesIndexLogic) FilesIndex() (resp *types.FilesIndexData, err error) {
+	return service.NewFileService(nil, l.ctx, l.svcCtx).FilesIndex()
+}
diff --git a/server-v2/api/studio/internal/logic/file/fileuploadlogic.go b/server-v2/api/studio/internal/logic/file/fileuploadlogic.go
new file mode 100644
index 00000000..81f5eaf6
--- /dev/null
+++ b/server-v2/api/studio/internal/logic/file/fileuploadlogic.go
@@ -0,0 +1,27 @@
+package file
+
+import (
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/service"
+	"net/http"
+
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type FileUploadLogic struct {
+	logx.Logger
+	r      *http.Request
+	svcCtx *svc.ServiceContext
+}
+
+func NewFileUploadLogic(r *http.Request, svcCtx *svc.ServiceContext) *FileUploadLogic {
+	return &FileUploadLogic{
+		Logger: logx.WithContext(r.Context()),
+		r:      r,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *FileUploadLogic) FileUpload() error {
+	return service.NewFileService(l.r, nil, l.svcCtx).FileUpload()
+}
diff --git a/server-v2/api/studio/internal/service/file.go b/server-v2/api/studio/internal/service/file.go
new file mode 100644
index 00000000..9fd1a8a2
--- /dev/null
+++ b/server-v2/api/studio/internal/service/file.go
@@ -0,0 +1,266 @@
+package service
+
+import (
+	"bufio"
+	"context"
+	"encoding/csv"
+	"errors"
+	"fmt"
+	"github.com/axgle/mahonia"
+	"github.com/saintfish/chardet"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/svc"
+	"github.com/vesoft-inc/nebula-studio/server/api/studio/internal/types"
+	"github.com/zeromicro/go-zero/core/logx"
+	"go.uber.org/zap"
+	"io"
+	"io/ioutil"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+const (
+	defaultMulipartMemory = 500 << 20 // 500 MB
+)
+
+var (
+	noCharsetErr             = errors.New("this charset can not be changed")
+	_            FileService = (*fileService)(nil)
+)
+
+type (
+	FileService interface {
+		FileUpload() error
+		FileDestroy(string) error
+		FilesIndex() (*types.FilesIndexData, error)
+	}
+
+	fileService struct {
+		logx.Logger
+		ctx    context.Context
+		svcCtx *svc.ServiceContext
+		r      *http.Request
+	}
+)
+
+func NewFileService(r *http.Request, ctx context.Context, svcCtx *svc.ServiceContext) FileService {
+	if r != nil {
+		return &fileService{
+			Logger: logx.WithContext(r.Context()),
+			r:      r,
+			svcCtx: svcCtx,
+		}
+	} else {
+		return &fileService{
+			Logger: logx.WithContext(ctx),
+			ctx:    ctx,
+			svcCtx: svcCtx,
+		}
+	}
+}
+
+func (f *fileService) FileDestroy(name string) error {
+	dir := f.svcCtx.Config.File.UploadDir
+	target := filepath.Join(dir, name)
+	if _, err := os.Stat(target); err != nil {
+		logx.Infof("del file error %v", err)
+		return err
+	}
+
+	//	if target is directory, it is not empty
+	if err := os.Remove(target); err != nil {
+		logx.Infof("del file error %v", err)
+		return err
+	}
+
+	return nil
+}
+
+func (f *fileService) FilesIndex() (data *types.FilesIndexData, err error) {
+	data = &types.FilesIndexData{
+		List: []types.FileStat{},
+	}
+	dir := f.svcCtx.Config.File.UploadDir
+	filesInfo, err := ioutil.ReadDir(dir)
+	if err != nil {
+		logx.Infof("open files error %v", err)
+		return nil, err
+	}
+
+	for _, fileInfo := range filesInfo {
+		if fileInfo.IsDir() {
+			continue
+		}
+		path := filepath.Join(dir, fileInfo.Name())
+		file, err := os.Open(path)
+		if err != nil {
+			logx.Infof("open files error %v", err)
+			continue
+		}
+		reader := csv.NewReader(file)
+		count := 0
+		content := make([][]string, 0)
+		for count < 3 {
+			line, err := reader.Read()
+			count++
+			if err != nil {
+				break
+			}
+			content = append(content, line)
+		}
+		data.List = append(data.List, types.FileStat{
+			Content:    content,
+			DataType:   "all",
+			WithHeader: false,
+			Name:       fileInfo.Name(),
+			Size:       fileInfo.Size(),
+		})
+	}
+	return data, nil
+}
+
+func (f *fileService) FileUpload() error {
+	dir := f.svcCtx.Config.File.UploadDir
+	_, err := os.Stat(dir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			os.MkdirAll(dir, os.ModePerm)
+		} else {
+			return err
+		}
+	}
+
+	logx.Infof("dir:", dir)
+	files, _, err := f.UploadFormFiles(dir)
+	if err != nil {
+		logx.Infof("upload file error:%v", err)
+		return err
+	}
+	for _, file := range files {
+		charSet, err := checkCharset(file)
+		if err != nil {
+			logx.Infof("upload file error, check charset fail:%v", err)
+			return err
+		}
+		if charSet == "UTF-8" {
+			continue
+		}
+		path := filepath.Join(dir, file.Filename)
+		if err = changeFileCharset2UTF8(path, charSet); err != nil {
+			logx.Infof("upload file error:%v", err)
+			return err
+		}
+	}
+	logx.Infof("upload %d files", len(files))
+	return nil
+}
+
+func (f *fileService) UploadFormFiles(destDirectory string) (uploaded []*multipart.FileHeader, n int64, err error) {
+	err = f.r.ParseMultipartForm(defaultMulipartMemory)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	if f.r.MultipartForm != nil {
+		if fhs := f.r.MultipartForm.File; fhs != nil {
+			for _, files := range fhs {
+				for _, file := range files {
+					file.Filename = strings.ReplaceAll(file.Filename, "../", "")
+					file.Filename = strings.ReplaceAll(file.Filename, "..\\", "")
+
+					n0, err0 := f.SaveFormFile(file, filepath.Join(destDirectory, file.Filename))
+					if err0 != nil {
+						return nil, 0, err0
+					}
+					n += n0
+
+					uploaded = append(uploaded, file)
+				}
+			}
+			return uploaded, n, nil
+		}
+	}
+	return nil, 0, http.ErrMissingFile
+}
+
+func (f *fileService) SaveFormFile(fh *multipart.FileHeader, dest string) (int64, error) {
+	src, err := fh.Open()
+	if err != nil {
+		return 0, err
+	}
+	defer src.Close()
+
+	out, err := os.Create(dest)
+	if err != nil {
+		return 0, err
+	}
+	defer out.Close()
+
+	return io.Copy(out, src)
+}
+
+func checkCharset(file *multipart.FileHeader) (string, error) {
+	f, err := file.Open()
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+	bytes := make([]byte, 1024)
+	if _, err = f.Read(bytes); err != nil {
+		return "", err
+	}
+	detector := chardet.NewTextDetector()
+	best, err := detector.DetectBest(bytes)
+	if err != nil {
+		return "", err
+	}
+	return best.Charset, nil
+}
+
+func changeFileCharset2UTF8(filePath string, charSet string) error {
+	fileUTF8Path := filePath + "-copy"
+	err := func() error {
+		file, err := os.OpenFile(filePath, os.O_RDONLY, 0666)
+		if err != nil {
+			zap.L().Warn("open file fail", zap.Error(err))
+			return err
+		}
+		defer file.Close()
+		reader := bufio.NewReader(file)
+		decoder := mahonia.NewDecoder(charSet)
+		// this charset can not be changed
+		if decoder == nil {
+			return noCharsetErr
+		}
+		decodeReader := decoder.NewReader(reader)
+		fileUTF8, err := os.OpenFile(fileUTF8Path, os.O_RDONLY|os.O_CREATE|os.O_WRONLY, 0666)
+		if err != nil {
+			return err
+		}
+		defer fileUTF8.Close()
+		writer := bufio.NewWriter(fileUTF8)
+		if _, err = writer.ReadFrom(decodeReader); err != nil {
+			return err
+		}
+		return nil
+	}()
+	if err != nil {
+		_, statErr := os.Stat(fileUTF8Path)
+		if statErr == nil || os.IsExist(statErr) {
+			removeErr := os.Remove(fileUTF8Path)
+			if removeErr != nil {
+				zap.L().Warn(fmt.Sprintf("remove file %s fail", fileUTF8Path), zap.Error(removeErr))
+			}
+		}
+		if err == noCharsetErr {
+			return nil
+		}
+		return err
+	}
+	if err = os.Rename(fileUTF8Path, filePath); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/server-v2/api/studio/internal/types/types.go b/server-v2/api/studio/internal/types/types.go
index aa2e03fe..373f0ca5 100644
--- a/server-v2/api/studio/internal/types/types.go
+++ b/server-v2/api/studio/internal/types/types.go
@@ -23,3 +23,19 @@ type ConnectDBResult struct {
 type AnyResponse struct {
 	Data interface{} `json:"data"`
 }
+
+type FileDestroyRequest struct {
+	Name string `path:"name" validate:"required"`
+}
+
+type FileStat struct {
+	Content    [][]string `json:"content"`
+	WithHeader bool       `json:"withHeader"`
+	DataType   string     `json:"dataType"`
+	Name       string     `json:"name"`
+	Size       int64      `json:"size"`
+}
+
+type FilesIndexData struct {
+	List []FileStat `json:"list"`
+}
diff --git a/server-v2/api/studio/restapi/file.api b/server-v2/api/studio/restapi/file.api
new file mode 100644
index 00000000..f4ae3b71
--- /dev/null
+++ b/server-v2/api/studio/restapi/file.api
@@ -0,0 +1,35 @@
+syntax = "v1"
+
+type (
+	FileDestroyRequest {
+		Name string `path:"name" validate:"required"`
+	}
+
+	FileStat {
+		Content    [][]string `json:"content"`
+		WithHeader bool       `json:"withHeader"`
+		DataType   string     `json:"dataType"`
+		Name       string     `json:"name"`
+		Size       int64      `json:"size"`
+	}
+
+	FilesIndexData {
+		List []FileStat `json:"list"`
+	}
+)
+
+@server(
+	group: file
+)
+
+service studio-api {
+	@doc "Upload File"
+	@handler FileUpload
+	post /api/file
+	@doc "delete file"
+	@handler FileDestroy
+	delete /api/file/:name returns(FileDestroyRequest)
+	@doc "preview file"
+	@handler FilesIndex
+	get /api/file returns(FilesIndexData)
+}
\ No newline at end of file
diff --git a/server-v2/api/studio/restapi/studio.api b/server-v2/api/studio/restapi/studio.api
index c7bbf924..9c362460 100644
--- a/server-v2/api/studio/restapi/studio.api
+++ b/server-v2/api/studio/restapi/studio.api
@@ -8,4 +8,5 @@ info(
 import (
 	"health.api"
 	"gateway.api"
+	"file.api"
 )
\ No newline at end of file